EP3468162A4 - Method and device for tracking echo delay - Google Patents

Method and device for tracking echo delay Download PDF

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Publication number
EP3468162A4
EP3468162A4 EP17802138.2A EP17802138A EP3468162A4 EP 3468162 A4 EP3468162 A4 EP 3468162A4 EP 17802138 A EP17802138 A EP 17802138A EP 3468162 A4 EP3468162 A4 EP 3468162A4
Authority
EP
European Patent Office
Prior art keywords
echo delay
tracking echo
tracking
delay
echo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17802138.2A
Other languages
German (de)
French (fr)
Other versions
EP3468162B1 (en
EP3468162A1 (en
Inventor
Junbin LIANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent Technology Shenzhen Co Ltd
Original Assignee
Tencent Technology Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent Technology Shenzhen Co Ltd filed Critical Tencent Technology Shenzhen Co Ltd
Publication of EP3468162A4 publication Critical patent/EP3468162A4/en
Publication of EP3468162A1 publication Critical patent/EP3468162A1/en
Application granted granted Critical
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Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP17802138.2A 2016-05-25 2017-05-23 Method and device for tracking echo delay Active EP3468162B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610353009.XA CN105872156B (en) 2016-05-25 2016-05-25 A kind of echo delay time tracking and device
PCT/CN2017/085467 WO2017202292A1 (en) 2016-05-25 2017-05-23 Method and device for tracking echo delay

Publications (3)

Publication Number Publication Date
EP3468162A4 true EP3468162A4 (en) 2019-04-10
EP3468162A1 EP3468162A1 (en) 2019-04-10
EP3468162B1 EP3468162B1 (en) 2020-10-14

Family

ID=56634789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17802138.2A Active EP3468162B1 (en) 2016-05-25 2017-05-23 Method and device for tracking echo delay

Country Status (6)

Country Link
US (1) US10841432B2 (en)
EP (1) EP3468162B1 (en)
JP (1) JP6557786B2 (en)
KR (1) KR102114766B1 (en)
CN (1) CN105872156B (en)
WO (1) WO2017202292A1 (en)

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CN105872156B (en) * 2016-05-25 2019-02-12 腾讯科技（深圳）有限公司 A kind of echo delay time tracking and device
CN106210371B (en) * 2016-08-31 2018-09-18 广州视源电子科技股份有限公司 Method and device for determining echo time delay and intelligent conference equipment
CN106231145B (en) * 2016-08-31 2019-09-27 广州市百果园网络科技有限公司 A kind of Echo-delay processing method and Echo-delay processing unit
EP3490199B1 (en) 2016-09-22 2021-07-21 Tencent Technology (Shenzhen) Company Limited Calling method and terminal
CN106506872B (en) * 2016-11-02 2019-05-24 腾讯科技（深圳）有限公司 Talking state detection method and device
CN107331406B (en) * 2017-07-03 2020-06-16 福建星网智慧软件有限公司 Method for dynamically adjusting echo delay
CN107610713B (en) * 2017-10-23 2022-02-01 科大讯飞股份有限公司 Echo cancellation method and device based on time delay estimation
WO2019112467A1 (en) * 2017-12-08 2019-06-13 Huawei Technologies Co., Ltd. Method and apparatus for acoustic echo cancellation
CN110162193A (en) * 2018-02-12 2019-08-23 北京钛方科技有限责任公司 A kind of touching positioning device and method
CN108831497B (en) * 2018-05-22 2020-06-09 出门问问信息科技有限公司 Echo compression method and device, storage medium and electronic equipment
JP7187183B2 (en) * 2018-06-14 2022-12-12 株式会社トランストロン Echo suppression device, echo suppression method and echo suppression program
US11146607B1 (en) * 2019-05-31 2021-10-12 Dialpad, Inc. Smart noise cancellation
CN110148421B (en) * 2019-06-10 2021-07-20 浙江大华技术股份有限公司 Residual echo detection method, terminal and device
CN110349592B (en) * 2019-07-17 2021-09-28 百度在线网络技术（北京）有限公司 Method and apparatus for outputting information
CN110992973A (en) * 2019-11-29 2020-04-10 维沃移动通信有限公司 Signal time delay determination method and electronic equipment
CN110970051A (en) * 2019-12-06 2020-04-07 广州国音智能科技有限公司 Voice data acquisition method, terminal and readable storage medium
CN111402868B (en) * 2020-03-17 2023-10-24 阿波罗智联(北京)科技有限公司 Speech recognition method, device, electronic equipment and computer readable storage medium
TWI778502B (en) 2021-01-22 2022-09-21 威聯通科技股份有限公司 Echo delay estimation method and echo delay estimation system
CN114255748A (en) * 2021-04-06 2022-03-29 北京安声科技有限公司 Floor sweeping robot
CN113241086B (en) * 2021-05-14 2023-05-30 北京达佳互联信息技术有限公司 Audio processing method, device, electronic equipment and storage medium
CN114171061A (en) * 2021-12-29 2022-03-11 苏州科达特种视讯有限公司 Time delay estimation method, equipment and storage medium
CN114724572B (en) * 2022-03-31 2024-07-16 杭州网易智企科技有限公司 Method and device for determining echo delay
CN114650340B (en) * 2022-04-21 2024-07-02 深圳市中科蓝讯科技股份有限公司 Echo cancellation method and device and electronic equipment
CN116609726A (en) * 2023-05-11 2023-08-18 钉钉(中国)信息技术有限公司 Sound source positioning method and device

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CN105472191B (en) * 2015-11-18 2019-09-20 百度在线网络技术（北京）有限公司 A kind of method and apparatus tracking echo delay time
CN105872156B (en) * 2016-05-25 2019-02-12 腾讯科技（深圳）有限公司 A kind of echo delay time tracking and device

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US20150078564A1 (en) * 2012-06-08 2015-03-19 Yongfang Guo Echo cancellation algorithm for long delayed echo
US20160127527A1 (en) * 2014-10-30 2016-05-05 Imagination Technologies Limited Controlling Operational Characteristics of Acoustic Echo Canceller

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Also Published As

Publication number Publication date
WO2017202292A1 (en) 2017-11-30
US20190027160A1 (en) 2019-01-24
JP6557786B2 (en) 2019-08-07
JP2019504539A (en) 2019-02-14
CN105872156A (en) 2016-08-17
KR102114766B1 (en) 2020-05-25
EP3468162B1 (en) 2020-10-14
KR20180073649A (en) 2018-07-02
US10841432B2 (en) 2020-11-17
CN105872156B (en) 2019-02-12
EP3468162A1 (en) 2019-04-10

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